JavaScript Answers

How to resolve Node 404 (Not Found) error?

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To resolve Node 404 (Not Found) error, we connect to the URL and port of the server.

For instance, we write

const app = express();
const server = app.listen(3000);
const io = require("").listen(server);

to call app.listen` to listen to port 3000.

Then we call listen with server to add to our app.

We can then connect to it at the URL with port 3000.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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